/*
 * Copyright 2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.gavlyukovskiy.boot.jdbc.decorator.p6spy;

import com.p6spy.engine.event.CompoundJdbcEventListener;
import com.p6spy.engine.event.SimpleJdbcEventListener;
import com.p6spy.engine.spy.JdbcEventListenerFactory;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import java.util.Collections;

import static org.assertj.core.api.Assertions.assertThat;

class ContextJdbcEventListenerFactoryTest {

    private JdbcEventListenerFactory delegate;

    @BeforeEach
    void setUp() {
        delegate = Mockito.mock(JdbcEventListenerFactory.class);
    }

    @Test
    void shouldUseDelegateToCreateListener() {
        SimpleJdbcEventListener listener1 = new SimpleJdbcEventListener() {};
        SimpleJdbcEventListener listener2 = new SimpleJdbcEventListener() {};
        Mockito.when(delegate.createJdbcEventListener()).thenReturn(listener1);
        ContextJdbcEventListenerFactory contextJdbcEventListenerFactory = new ContextJdbcEventListenerFactory(delegate, Collections.singletonList(listener2));

        CompoundJdbcEventListener jdbcEventListener = (CompoundJdbcEventListener) contextJdbcEventListenerFactory.createJdbcEventListener();
        assertThat(jdbcEventListener.getEventListeners()).hasSize(2);
        assertThat(jdbcEventListener.getEventListeners()).contains(listener1, listener2);
    }

    @Test
    void shouldReuseCompoundListenerFromFactory() {
        SimpleJdbcEventListener listener1 = new SimpleJdbcEventListener() {};
        Mockito.when(delegate.createJdbcEventListener()).thenReturn(new CompoundJdbcEventListener());
        ContextJdbcEventListenerFactory contextJdbcEventListenerFactory = new ContextJdbcEventListenerFactory(delegate, Collections.singletonList(listener1));

        CompoundJdbcEventListener jdbcEventListener = (CompoundJdbcEventListener) contextJdbcEventListenerFactory.createJdbcEventListener();
        assertThat(jdbcEventListener.getEventListeners()).hasSize(1);
        assertThat(jdbcEventListener.getEventListeners()).contains(listener1);
    }
}